[PATCH v8 01/25] PCI/sysfs: Use PCI resource accessor macros
From: Krzysztof Wilczyński <kwilczynski@kernel.org>
Date: 2026-06-19 08:52:09
Also in:
linux-alpha, linux-pci
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
Replace direct pdev->resource[] accesses with pci_resource_n(), and pdev->resource[].flags accesses with pci_resource_flags(). No functional changes intended. Tested-by: Shivaprasad G Bhat <redacted> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> --- drivers/pci/pci-sysfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index d37860841260..1fbc3daf87cc 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c@@ -177,7 +177,7 @@ static ssize_t resource_show(struct device *dev, struct device_attribute *attr, max = PCI_BRIDGE_RESOURCES; for (i = 0; i < max; i++) { - struct resource *res = &pci_dev->resource[i]; + struct resource *res = pci_resource_n(pci_dev, i); struct resource zerores = {}; /* For backwards compatibility */
@@ -689,7 +689,7 @@ static ssize_t boot_vga_show(struct device *dev, struct device_attribute *attr, return sysfs_emit(buf, "%u\n", (pdev == vga_dev)); return sysfs_emit(buf, "%u\n", - !!(pdev->resource[PCI_ROM_RESOURCE].flags & + !!(pci_resource_flags(pdev, PCI_ROM_RESOURCE) & IORESOURCE_ROM_SHADOW)); } static DEVICE_ATTR_RO(boot_vga);
@@ -1082,7 +1082,7 @@ static int pci_mmap_resource(struct kobject *kobj, const struct bin_attribute *a struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj)); int bar = (unsigned long)attr->private; enum pci_mmap_state mmap_type; - struct resource *res = &pdev->resource[bar]; + struct resource *res = pci_resource_n(pdev, bar); int ret; ret = security_locked_down(LOCKDOWN_PCI_ACCESS);
@@ -1286,7 +1286,7 @@ static int pci_create_resource_files(struct pci_dev *pdev) retval = pci_create_attr(pdev, i, 0); /* for prefetchable resources, create a WC mappable file */ if (!retval && arch_can_pci_mmap_wc() && - pdev->resource[i].flags & IORESOURCE_PREFETCH) + pci_resource_flags(pdev, i) & IORESOURCE_PREFETCH) retval = pci_create_attr(pdev, i, 1); if (retval) { pci_remove_resource_files(pdev);
--
2.54.0